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Question

Active transport through the plasma membrane occurs through the action of ___.


A

diffusion

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B

membrane proteins

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C

DNA

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D

water

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Solution

The correct option is B

membrane proteins


Active transport through the plasma membrane occurs through the action of membrane proteins. Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration in the direction against some gradient or other obstructing factors.


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